Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

light rain,mist

48°F

9°C

Humidity	93%
Wind Speed	NNE 5 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	46°F (8°C)
Visibility	5.00 mi
Wind Chill	46°F (8°C)
Last update	01 Jan 06:20 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles E Hercules CA

New Year's Day
High: 57 °F
Showers
Tonight
Low: 48 °F
Showers then
Chance
Showers
Friday
High: 56 °F
Chance
Showers
Friday Night
Low: 53 °F
Showers
Saturday
High: 56 °F
Showers
Saturday Night
Low: 51 °F
Showers
Sunday
High: 54 °F
Showers
Sunday Night
Low: 48 °F
Showers
Monday
High: 52 °F
Showers

Detailed Forecast

New Year's Day

Showers. High near 57. East northeast wind 9 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tonight

Showers, mainly before 10pm. Low around 48. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A 40 percent chance of showers, mainly after 10am. Cloudy, with a high near 56. Southeast wind 9 to 14 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Showers. Low around 53. South southeast wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Saturday

Showers. High near 56. South wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Showers. High near 54. Chance of precipitation is 100%.

Sunday Night

Showers. Cloudy, with a low around 48.

Monday

Showers. Mostly cloudy, with a high near 52.

Monday Night

Showers likely, mainly before 10pm. Cloudy, with a low around 44.

Tuesday

A chance of showers. Mostly cloudy, with a high near 52.

Tuesday Night

A slight chance of showers. Mostly cloudy, with a low around 41.